27 lines
749 B
C
27 lines
749 B
C
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// the same as read_until_string, but this function not only truncates but fills remaining chars with null characters
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// this function is cleaner and nicer to work with, but not as fast as "read_until_string"
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// ct means "clean truncate"
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// return 1 on success, -1 when buffer is NULL
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#include <unistd.h>
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#include <string.h>
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void read_until_string(int fd, char buffer[], char search_string[]) {
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int i = 0;
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int j = 0;
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while(read(fd, &buffer[i], 1)) {
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if (buffer[i] == search_string[j]) {
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j++;
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} else {
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j = 0;
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}
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if (j == (strlen(search_string))) {
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break;
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}
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i++;
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}
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size_t truncate_position = strlen(buffer) - strlen(search_string);
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memset(&buffer[truncate_position], '\0', truncate_position);
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}
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