53 lines
728 B
C
53 lines
728 B
C
#include <stdio.h>
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int main(void) {
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char buf[1024];
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FILE *fp = fmemopen(buf, sizeof(buf), "r+");
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fprintf(fp, "Hello World!");
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fseek(fp, 0, SEEK_SET);
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char buf2[1024];
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fscanf(fp, "%s", buf2);
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printf("buf2: %s\n", buf2);
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fclose(fp);
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char *pbuf = NULL;
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size_t buf_size = 1024u;
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FILE *fp2 = open_memstream(&pbuf, &buf_size);
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if(fp2 == NULL) {
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printf("open_memstream error\n");
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return -1;
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}
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for(int i = 0; i < 2048; i++){
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fprintf(fp2, "TTTest ");
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}
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printf("pbuf: %p\n", pbuf);
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fflush(fp2);
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printf("pbuf: %p\n", pbuf);
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for(int i = 0; i < 8192; i++){
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fprintf(fp2, "TTTest ERRRRR");
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}
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fflush(fp2);
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printf("pbuf: %p\n", pbuf);
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fclose(fp2);
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return 0;
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}
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