[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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