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Last change
on this file since 900 was 900, checked in by Bruno Cornec, 18 years ago |
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Huge patch to introduce low level functions that will bw used everywhere (mr_free, mr_asprintf, ...)
Nearly linking now due to that.
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File size:
836 bytes
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| [767] | 1 | /*
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| 2 | $Id$
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| 3 | */
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| 4 |
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| [768] | 5 | #include <stdio.h>
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| 6 | #include <string.h>
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| 7 |
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| [767] | 8 | /* New functions safe from a memory manageemnt point of view */
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| 9 | /* Developped by Andree Leidenfrost */
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| 10 | /**
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| 11 | * Build a partition name from a drive and a partition number.
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| 12 | * @param instr
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| 13 | * @param delims
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| 14 | * @param lastpos
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| 15 | * @return @p
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| 16 | * @note this function allocates memory that needs to be freed by caller
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| 17 | **/
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| 18 |
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| 19 |
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| 20 | char *mr_strtok(char *instr, const char *delims, int *lastpos) {
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| 21 |
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| 22 | char *token = NULL;
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| 23 | char *strptr = NULL;
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| 24 | size_t pos1 = 0;
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| 25 | size_t pos2 = 0;
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| 26 |
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| 27 | if (strlen(instr) <= *lastpos) {
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| 28 | *lastpos = 0;
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| 29 | return token;
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| 30 | }
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| 31 |
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| 32 | strptr = instr + *lastpos;
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| 33 | pos2 = strspn(strptr, delims);
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| 34 | strptr += pos2;
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| 35 | pos1 = strcspn(strptr, delims);
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| 36 | token = malloc(sizeof(*token)*(pos1+1));
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| 37 | strncpy(token, strptr, pos1);
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| 38 | token[pos1] = '\0';
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| 39 | *lastpos = *lastpos + pos1 + pos2 + 1;
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| 40 |
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| 41 | return token;
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| 42 | }
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