51 lines
964 B
C
51 lines
964 B
C
#ifndef _GETDELIM_H
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#define _GETDELIM_H
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <stddef.h>
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static __attribute__((unused))
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ssize_t my_getdelim(char **out, size_t *out_size, int delim, int in)
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{
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size_t out_idx = 0;
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// Flush stdout
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fflush(stdout);
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// Allocate buffer if needed
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if (*out == NULL) {
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*out = malloc(2);
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*out_size = 1;
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}
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// Loop until delimiter
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for (;;) {
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// Read single character
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char c;
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if (read(in, &c, 1) <= 0) {
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return -1;
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}
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// Add it to buffer
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if (*out_size < out_idx + 1) {
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(*out_size)++;
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*out = realloc(*out, *out_size + 1);
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}
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(*out)[out_idx++] = c;
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// Break on delimiter
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if (c == (char)delim) {
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break;
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}
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}
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// Add null terminator
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(*out)[out_idx] = '\0';
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// Return success
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return out_idx + 1;
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}
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static inline __attribute__((unused))
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ssize_t my_getline(char **out, size_t *out_size, int in)
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{
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return my_getdelim(out, out_size, '\n', in);
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}
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#endif /* _GETDELIM_H */
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