64 lines
1.6 KiB
C
64 lines
1.6 KiB
C
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#include "config.h"
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#ifndef HAVE_GETDELIM
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#define GETDELIM_BUFFER 128
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/* copied from xine-devel */
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size_t
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getdelim( char **lineptr, size_t *n, int delimiter, FILE *stream )
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{
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char *p;
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int c;
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size_t len = 0;
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if (!lineptr || !n || (!*lineptr && *n))
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return -1;
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/* allocate initial buffer */
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if (!*lineptr || !*n) {
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char *np;
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np = realloc( *lineptr, GETDELIM_BUFFER );
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if (!np)
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return -1;
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*n = GETDELIM_BUFFER;
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*lineptr = np;
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}
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p = *lineptr;
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/* read characters from stream */
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while ((c = fgetc( stream )) != EOF) {
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if (len >= *n) {
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char *np = realloc( *lineptr, *n * 2 );
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if (!np)
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return -1;
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p = np + (p - *lineptr);
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*lineptr = np;
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*n *= 2;
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}
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*p++ = (char) c;
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len++;
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if (delimiter == c)
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break;
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}
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/* end of file without any bytes read */
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if ((c == EOF) && (len == 0))
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return -1;
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/* trailing "\0" */
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if (len >= *n) {
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char *np = realloc( *lineptr, *n + 1 );
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if (!np)
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return -1;
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p = np + (p - *lineptr);
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*lineptr = np;
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*n += 1;
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}
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*p = '\0';
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return len;
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}
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#endif /* !HAVE_GETDELIM */
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