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Incorporated geometric size expansion for input array to reduce the amount of memory reallocations.

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modified:   src/main.c
This commit is contained in:
Brian Barto 2016-05-02 13:56:35 -04:00
parent e988dac87c
commit c043388bad
1 changed files with 7 additions and 3 deletions
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10
src/main.c
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@ -4,10 +4,11 @@
#include <ctype.h> #include <ctype.h>
#include "nms.h" #include "nms.h"
#define VERSION "0.1.0" #define VERSION "0.1.0"
#define INPUT_GROWTH_FACTOR 2
int main(int argc, char *argv[]) { int main(int argc, char *argv[]) {
int c, o, inSize = 0; int c, o, inSize = 0, inCapacity = 0;
char *input = NULL; char *input = NULL;
NmsArgs args = INIT_NMSARGS; NmsArgs args = INIT_NMSARGS;
@ -32,7 +33,10 @@ int main(int argc, char *argv[]) {
// Geting input // Geting input
while ((c = getchar()) != EOF) { while ((c = getchar()) != EOF) {
++inSize; ++inSize;
input = realloc(input, inSize + 1); if (inSize > inCapacity) {
inCapacity = inCapacity == 0 ? INPUT_GROWTH_FACTOR : inCapacity * INPUT_GROWTH_FACTOR;
input = realloc(input, inCapacity + 1);
}
input[inSize - 1] = c; input[inSize - 1] = c;
input[inSize] = '\0'; input[inSize] = '\0';
} }