| [123] | 1 |  | 
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|  | 2 | /*********************************************************************** | 
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|  | 3 |  | 
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|  | 4 | $Id: strips.c 911 2008-01-07 01:01:29Z gyoung $ | 
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|  | 5 |  | 
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|  | 6 | String strippers | 
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|  | 7 |  | 
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|  | 8 | Copyright (c) 1993-98 M. Kimes | 
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|  | 9 | Copyright (c) 2004 Steven H.Levine | 
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|  | 10 |  | 
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| [371] | 11 | 01 Aug 04 SHL Rework lstrip/rstrip usage | 
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|  | 12 | 26 Jul 06 SHL Add chop_at_crnl | 
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| [793] | 13 | 20 Aug 07 GKY Move #pragma alloc_text to end for OpenWatcom compat | 
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| [895] | 14 | 29 Dec 07 GKY Add remove_first_occurence_of_character | 
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| [911] | 15 | 29 Dec 07 GKY Add remove_last_occurence_of_character | 
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| [123] | 16 |  | 
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|  | 17 | ***********************************************************************/ | 
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|  | 18 |  | 
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| [2] | 19 | #include <string.h> | 
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|  | 20 |  | 
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| [907] | 21 | #include <os2.h> | 
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|  | 22 |  | 
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| [371] | 23 | VOID chop_at_crnl(PSZ pszSrc) | 
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|  | 24 | { | 
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|  | 25 | // Chop line at CR or NL | 
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|  | 26 | PSZ psz = strchr(pszSrc, '\r'); | 
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| [551] | 27 |  | 
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| [371] | 28 | if (psz) | 
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|  | 29 | *psz = 0; | 
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|  | 30 | psz = strchr(pszSrc, '\n'); | 
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|  | 31 | if (psz) | 
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|  | 32 | *psz = 0; | 
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|  | 33 | } | 
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| [2] | 34 |  | 
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| [371] | 35 | PSZ convert_nl_to_nul(PSZ pszSrc) | 
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|  | 36 | { | 
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|  | 37 | // Convert newline to nul, return pointer to next or NULL | 
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|  | 38 | PSZ psz = strchr(pszSrc, '\n'); | 
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| [551] | 39 |  | 
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| [371] | 40 | if (psz) { | 
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|  | 41 | *psz = 0; | 
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|  | 42 | psz++; | 
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|  | 43 | } | 
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|  | 44 | return psz; | 
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|  | 45 | } | 
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|  | 46 |  | 
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| [551] | 47 | void strip_trail_char(char *pszStripChars, char *pszSrc) | 
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| [371] | 48 | { | 
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| [123] | 49 | char *psz; | 
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| [2] | 50 |  | 
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| [551] | 51 | if (pszSrc && *pszSrc && pszStripChars && *pszStripChars) { | 
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| [123] | 52 | psz = pszSrc + strlen(pszSrc) - 1; | 
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|  | 53 | // while not empty and tail char in strip list | 
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| [551] | 54 | while (*pszSrc && strchr(pszStripChars, *psz) != NULL) { | 
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| [123] | 55 | *psz = 0; | 
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|  | 56 | psz--; | 
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| [2] | 57 | } | 
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|  | 58 | } | 
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|  | 59 | } | 
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|  | 60 |  | 
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| [551] | 61 | void strip_lead_char(char *pszStripChars, char *pszSrc) | 
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| [371] | 62 | { | 
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| [123] | 63 | char *psz = pszSrc; | 
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| [2] | 64 |  | 
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| [551] | 65 | if (pszSrc && *pszSrc && pszStripChars && *pszStripChars) { | 
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| [123] | 66 | // while lead char in strip list | 
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| [551] | 67 | while (*psz && strchr(pszStripChars, *psz) != NULL) | 
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| [123] | 68 | psz++; | 
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| [551] | 69 | if (psz != pszSrc) | 
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|  | 70 | memmove(pszSrc, psz, strlen(psz) + 1); | 
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| [2] | 71 | } | 
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|  | 72 | } | 
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| [793] | 73 |  | 
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| [895] | 74 | VOID remove_first_occurence_of_character(char *pszRemoveChar, char *pszSrc) | 
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|  | 75 | { | 
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|  | 76 | PSZ pszStrLocation; | 
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|  | 77 |  | 
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|  | 78 | pszStrLocation = strchr(pszSrc, *pszRemoveChar); | 
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|  | 79 | if (pszStrLocation) | 
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|  | 80 | memmove(pszStrLocation, pszStrLocation + 1, strlen(pszStrLocation) + 1); | 
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|  | 81 | } | 
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|  | 82 |  | 
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| [906] | 83 | VOID remove_last_occurence_of_character(char *pszRemoveChar, char *pszSrc) | 
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|  | 84 | { | 
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|  | 85 | PSZ pszStrLocation; | 
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|  | 86 |  | 
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|  | 87 | pszStrLocation = strrchr(pszSrc, *pszRemoveChar); | 
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|  | 88 | if (pszStrLocation) | 
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|  | 89 | memmove(pszStrLocation, pszStrLocation + 1, strlen(pszStrLocation) + 1); | 
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|  | 90 | } | 
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|  | 91 |  | 
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| [793] | 92 | #pragma alloc_text(MISC8,chop_at_crnl,convert_nl_to_nul,strip_trail_char,strip_lead_char) | 
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| [911] | 93 | #pragma alloc_text(MISC8,remove_first_occurence_of_character,remove_last_occurence_of_character) | 
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